public static List <(string IpAddress, string Mac)> GetIpAddresses()
{
List <(string IpAddress, string Mac)> ipList = null;
try
{
ipList = ArpTable.GetArpTable();
}
catch (Exception)
{
return(null);
}
return(ipList);
}
private async Task ScanLan_AsyncBody()
{
Status = AddComputersVM.Statuses.IsSearching;
List <string> list = null;
string networkScanMethod = ViewModel.Instance.Workers.NetworkScanMethod;
CancelSource = new CancellationTokenSource();
var token = CancelSource.Token;
switch (networkScanMethod)
{
case "NetApi32":
list = await Task.Run(() =>
(new NetworkBrowser()).GetNetworkComputers()
).WithCancellation(token);
break;
case "ArpTable":
list = await Task.Run(async() => {
var ipList = ArpTable.GetIpAddresses();
if (ipList == null)
{
return(null);
}
var hostNames = await ArpTable.GetHostNames(ipList).WithCancellation(token);
return(hostNames);
});
break;
}
if (list == null || list.Count == 0)
{
Status = AddComputersVM.Statuses.NothingFound;
string message = "No LAN computer was detected.";
string alternative = " Or you may select an alternative network scan method, this will re-initiate the search.";
switch (networkScanMethod)
{
case "NetApi32":
message += " Check your cable and network settings and run \"net view\" CMD command to see if Windows actually sees anything on the network."
+ alternative;
break;
case "ArpTable":
message += " Check your cable and network settings and run \"arp -a\" CMD command to see if Windows actually detects any LAN IP."
+ alternative;
break;
default:
message = "Incorrect setting detected. Workers.cfg must contain either \"GetComputerNamesMethod\":\"NetApi32\" or \"GetComputerNamesMethod\":\"ArpTable\".";
break;
}
await Task.Delay(100);
MessageBox.Show(message, "Nothing found", MessageBoxButton.OK, MessageBoxImage.Warning);
return;
}
Computers.Clear();
foreach (var entry in list)
{
dynamic pc = new ExpandoObject();
pc.Name = entry as string;
pc.IsSelected = false;
Computers.Add(pc);
}
Status = Statuses.Ready;
}